예제 #1
0
        private void DrawPolygon(Feature feature)
        {
            if (Preferences.Get(Constants.MapDrawPolygonsKey, true))
            {
                XFMPolygon xfmpolygon = new XFMPolygon
                {
                    StrokeWidth = 4,
                    StrokeColor = Color.OrangeRed,
                    FillColor   = Color.OrangeRed.AddLuminosity(.1).MultiplyAlpha(0.6),
                };

                Polygon polygon = (Polygon)feature.Geometry;
                foreach (LineString lineString in polygon.Coordinates)
                {
                    foreach (Position pos in lineString.Coordinates)
                    {
                        xfmpolygon.Geopath.Add(new XFMPosition(pos.Latitude, pos.Longitude));
                    }
                }
                Map.MapElements.Add(xfmpolygon);
            }
        }
예제 #2
0
        /// <summary>
        /// When map is clicked, iterates through all features in the feature list and shows the feature info menu if feature has been tapped
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnMapClicked(object sender, MapClickedEventArgs e)
        {
            FeatureList.ForEach((Feature feature) =>
            {
                bool ItemHit = false;

                if (feature.Geometry.Type == GeoJSONType.Polygon && Preferences.Get(Constants.MapDrawPolygonsKey, true))
                {
                    Polygon polygon = (Polygon)feature.Geometry;
                    ItemHit        |= polygon.ContainsPosition(new Position(e.Position.Longitude, e.Position.Latitude));
                }
                else if (feature.Geometry.Type == GeoJSONType.LineString && Preferences.Get(Constants.MapDrawLinesKey, true))
                {
                    LineString lineString = (LineString)feature.Geometry;
                    ItemHit |= lineString.ContainsPosition(new Position(e.Position.Longitude, e.Position.Latitude, 0));
                }

                if (ItemHit)
                {
                    _ = DisplayFeatureActionMenuAsync(feature);
                }
            });
        }